đới nóng nha

IV. Complete the following letter, using the words in the box

Dear Linh,

Thank you for your (1)__________________. I’m happy to (2)_________________ you’ve just won the race. I’m going to (3)_________________ in our school program this month. “Be a Buddy” is having some new (4)______________ to help the community. All the members have to

(5)_____________ glass, waste paper and empty cans and send them for recycling. We do this to help

(6)____________ natural resources and (7)____________ some money for the organization. We also (8)____________ some trees and flowers along the sidewalks near our school. We (9)____________ the streets clean by collecting and emptying all the garbage. We have a lot of things to (10)_____________, but they are really interesting, aren’t they?

Write to me soon and tell me all your news.

Love

Your friend

 Nga

V. Put the verbs in brackets in the correct verb tense: the Present Perfect or Past Simple.

1.      My uncle (move) ____________________________ to Da Lat in 2005.

2.      The Greens (be) ____________________________ to many countries in the world so far.

3.      We (go) _______________________ to that village to do volunteer work several times.

4.      We (spend) _____________________ our summer vacation in Ha Long Bay last July.

5.      Our teacher (explain) _____________________ to us how to use the printer already.

6.      The postman (deliver) ____________________ the letter half an hour ago.

7.      Mai (not finish) _______________________ her homework yet.

8.      I (visit) _________________________ our form teacher in the hospital already.

9.      I (hear) _________________________ the good news from Mary a few minutes ago.

10.  They (not start) ___________________________ the project yet.

VI.     Read the passage, find ONE suitable word to fill in the gap and then decide whether the statements are true (T) or false (F).

Volunteering is (1)............. of the things that are very useful to you. To your future bosses, volunteer work (2) ................ that you are interested (3)............... both the world and your future.

Although volunteer work does (4).............. bring you money, it gives you a time to learn social skills and make a (5)........................... in our community.

Volunteers (6)............... the chance to teach English, arts, and sports for homeless children. They (7)............... help children with health problems, especially children (8)............... cannot see, hear and speak.

nhiệt đới nhé

D

a)do góc A = góc B thì theo tính chất cặp góc đồng vị =>a//b

b)do a//b                      )

  D1 cùng phía với C4  )

=>D1=180^o-150^o=30^o

theo tính chất cặp góc đối đỉnh thì D3=D1=30^o

hok giỏi                                  (nhớ tick nhen)

hơi mờ và nhỏ bạn ạ

I.     Find the word which has a different sound in the part underlined.

II.  Put the words in the box into two groups 

gold      book  get           garden                    clothes        glass      clean  homework          skill      give

III.             Fill in the blanks with the correct words or phrases matching with the verbs. Maybe some verbs can be used more than once.

1.  clean: ______________________________________________________________

____________________________________________________________________

2.  donate:______________________________________________________________

 ____________________________________________________________________

3.  help:________________________________________________________________

____________________________________________________________________

4.  provide: _____________________________________________________________

giúp mik với

Bài 4. Viết các biểu thức sau dưới dạng aⁿ (a thuộc Q và a thuộc N)
4.2⁵:(2³.1/16)
Dạng 3. Tính lũy thừa của một lũy thừa
Bài 5. Viết các số (0,25)⁸ và (0,125)⁴ dưới dạng các lũy thừ cơ số 0,5.
Bài 6.
a) Viết các số 2²⁷ và 3¹⁸ dưới dạng các lũy thừa có số mũ là 9.
b) Trong hai số 2²⁷ và 3¹⁸ , số nào lớn hơn?
Bài 7. Cho x thuộc Q và x khác 0 . Viết x10 dưới dạng:
a) Tích của hai lũy thừa trong đó có một thừa số là x7 .
b) Lũy thừa của x2 .
c) Thương của hai lũy thừa trong đó số bị chia là x12 .

thank